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'perpetual motion' used in domains:

perpetualmotionlives.com
perpetualmotionfuel.com
perpetualmotionmachine.com
perpetualmotionmusic.com
perpetualmotioncat.com
perpetualmotionblueprint.com
perpetual-motion-marketing.com
perpetual-motion.com
perpetual-motion-production.com
perpetual-motion-travel.com
the-secret-perpetual-motion-of-money.com
perpetual-motion-machines.com

"perpetual motion" has the frequency of use of 0.0001% on en.wikipedia.org.

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